these 11 derivations will be built:
  /nix/store/i5rpxm8xr0x1yjlvmg6lgpyw2jj4skbk-system-path.drv
  /nix/store/x6177wcl8p8z2f6hfynbs9rifv97a92g-dbus-1.drv
  /nix/store/jwgw9bfrjidhqn38yhyw47f6x2n60wk5-X-Restart-Triggers-dbus-broker.drv
  /nix/store/k731rqs50i2dwhyvn8wj2c9f3m1x0qp2-unit-dbus-broker.service.drv
  /nix/store/2rygi96r5jkwawfl5cw16k7qqx8zal67-user-units.drv
  /nix/store/pip6pa6z5f823090v45lsp59dhrb2hl1-unit-dbus-broker.service.drv
  /nix/store/ib0vzvd83pn2f2vcd9kyx7ayvz07ma50-system-units.drv
  /nix/store/d1mizq13q611wrq7a3wk0z4zc5mb5hyr-etc.drv
  /nix/store/1fx65nh040dp6qbnlfz6v2nkyz1cm2yc-activate.drv
  /nix/store/5yxzskcknk7n3ibdg0pdampqjs0a563m-boot.json.drv
  /nix/store/5nizhqhacz1cn3vbgs71lhmfk4m945xs-nixos-system-testmachine-26.05.20260907.93108a5.drv
this path will be fetched (0.0 KiB download, 26.3 MiB unpacked):
  /nix/store/blcrkvx9mczb8jb85hxnbhihqf41fjdj-initrd-linux-6.18.49
building '/nix/store/i5rpxm8xr0x1yjlvmg6lgpyw2jj4skbk-system-path.drv'
system-path> structuredAttrs is enabled
system-path> created 1967 symlinks in user environment
building '/nix/store/x6177wcl8p8z2f6hfynbs9rifv97a92g-dbus-1.drv'
building '/nix/store/jwgw9bfrjidhqn38yhyw47f6x2n60wk5-X-Restart-Triggers-dbus-broker.drv'
building '/nix/store/k731rqs50i2dwhyvn8wj2c9f3m1x0qp2-unit-dbus-broker.service.drv'
building '/nix/store/pip6pa6z5f823090v45lsp59dhrb2hl1-unit-dbus-broker.service.drv'
building '/nix/store/2rygi96r5jkwawfl5cw16k7qqx8zal67-user-units.drv'
building '/nix/store/ib0vzvd83pn2f2vcd9kyx7ayvz07ma50-system-units.drv'
building '/nix/store/5yxzskcknk7n3ibdg0pdampqjs0a563m-boot.json.drv'
building '/nix/store/d1mizq13q611wrq7a3wk0z4zc5mb5hyr-etc.drv'
building '/nix/store/1fx65nh040dp6qbnlfz6v2nkyz1cm2yc-activate.drv'
building '/nix/store/5nizhqhacz1cn3vbgs71lhmfk4m945xs-nixos-system-testmachine-26.05.20260907.93108a5.drv'
nixos-system-testmachine-26.05.20260907.93108a5> structuredAttrs is enabled

upload niks3: failed
time=2026-09-10T00:34:58.594Z level=WARN msg="Request returned retryable status, retrying" attempt=1 max_attempts=6 backoff=100ms status=502 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-10T00:36:03.546Z level=WARN msg="Request returned retryable status, retrying" attempt=2 max_attempts=6 backoff=187.155328ms status=502 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-10T00:41:38.531Z level=WARN msg="Request returned retryable status, retrying" attempt=1 max_attempts=6 backoff=100ms status=504 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-10T00:46:38.632Z level=WARN msg="Request returned retryable status, retrying" attempt=2 max_attempts=6 backoff=182.285456ms status=504 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-10T00:52:05.427Z level=WARN msg="Request returned retryable status, retrying" attempt=1 max_attempts=6 backoff=100ms status=504 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-10T00:57:05.530Z level=WARN msg="Request returned retryable status, retrying" attempt=2 max_attempts=6 backoff=216.110839ms status=504 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-10T01:02:05.748Z level=WARN msg="Request returned retryable status, retrying" attempt=3 max_attempts=6 backoff=374.38175ms status=504 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-10T01:07:06.123Z level=WARN msg="Request returned retryable status, retrying" attempt=4 max_attempts=6 backoff=789.765369ms status=504 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-10T01:12:06.915Z level=WARN msg="Request returned retryable status, retrying" attempt=5 max_attempts=6 backoff=1.610297597s status=504 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-10T01:17:08.527Z level=ERROR msg="Fatal error" error="pushing paths: creating pending closures: creating pending closure: server returned 504: "